The equation of curve was y = 8.28 x + 92.28, R2 = 0.997.
Under the optimized conditions, the color intensity is linear with
the concentration over the range of 1.0
×
10−3 to 11.0
×
10−3M
with a limit of detection (LOD) of 3
×
10−4M for glucose. The LOD is
given by 3S0/S, where 3 is the factor at the 99% confidence level, S0
is the standard deviation of the blank measurements (n = 10), and
S is the slope of the calibration curve.
3.4. The detection of glucose in the serum samples